* ActingForTwo: The voice cast for the TV series consists of just nine people, including the director and the soundtrack composer. Only three of these nine people voice main and recurring characters. The web series has even fewer voice actors. ''Seriously!''
* CrossdressingVoices:
** Mrs. Minty is voiced by Peter Merryman, the same guy who voices Mr. Milk and various others.
** Hilariously, the [[https://web.archive.org/web/20140709095828/http://makingfiends.com/fiend/movies/aprilfoolsversions/fiend06.swf April Fools' version of the sixth webisode]] replaces all the spoken dialogue with a text-to-speech computer voice. All of the voices used are male.
* DevelopmentHell: The TV series has been through this. Six episodes were produced before being abruptly cancelled during production, with seven additional half-hour scripts that have never been shown to the public. It doesn't help that Nickelodeon originally ordered [[http://coldhardflash.com/2007/02/winfrey-making-fiends-for-nick-tv.html 20 episodes]].
* GodNeverSaidThat: Several have claimed that Amy Winfrey said that there are seven ready to air episodes locked away at Nickelodeon, but she never said that; she did, however, say that there were seven ''scripts'' for episodes Nickelodeon never did anything with.
* KeepCirculatingTheTapes: The web animations used to come in available [=DVD=]s with many alternate versions and character commentaries. Since ''Making Fiends'' is licensed by Nickelodeon, the creators can't sell any of its merchandise, even what they made independently. All of the [=DVD=]s were uploaded by someone on [=YouTube=] at one time... but he has since deleted his account.
* NoExportForYou: Outside of the theme song of the original web shorts being sung in Bulgarian for an April Fools' joke and the TV version being subtitled in Dutch, there are no records of this series in any language other than English.
* PopCultureUrbanLegends:
** Charlotte's parents are dead, and her grandmother lied to her about them being on the moon. It fits the grim theme of the show and it ''is'' implied in "Parents", but it's never been outright confirmed.
** Several Season 2 episodes were produced that Nickelodeon refused to air for whatever reason. This one is very unlikely. There have been scripts for unproduced episodes, not actual finished episodes that were never released.
** Similarly, another rumour is that Amy Winfrey was [[ScrewedByTheLawyers no longer allowed to make her own Making Fiends Shorts]] after the Nickelodeon series. This is untrue, as Amy made occasional AprilFoolsDay Specials like Making Friends and Baking Beans after the end of the Nickelodeon series.
* ProductionPosse: Peter Merryman, who is in this series, is the voice of Amy Winfrey's ''WebAnimation/BigBunny''.
* SavedFromDevelopmentHell: The show had been in the planning stages for years and there were promos made for it ages before it actually aired on TV, only for it to get a shaky under-promoted start and then tossed back into development hell.
* ScrewedByTheNetwork: Despite very good critical praise, a decent-sized fanbase and being the highest-rated Nicktoon during its run, the TV version only lasted six episodes. [[WordOfGod Amy Winfrey]] said that scripts for seven more episodes were made, but nothing came out of them. What's stranger is that despite the series being cancelled, Nicktoons still occasionally aired and marathoned the six episodes that aired up to 2016's Halloween.
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